Ghetto script to test if email settings work

script/test_email_settings.rb

@@ -0,0 +1,56 @@
+#!/usr/bin/env ruby
+
+require 'action_mailer'
+
+# Make this your email address. Poor example.com gets SO MUCH MAIL
+YOUR_EMAIL                = "nobody@example.com"
+
+# Change these to be the same settings as your Discourse environment
+DISCOURSE_SMTP_ADDRESS   = "smtp.example.com"       # (mandatory)
+@DISCOURSE_SMTP_PORT      =  587                    # (optional)
+@DISCOURSE_SMTP_USER_NAME = "username"              # (optional)
+@DISCOURSE_SMTP_PASSWORD  = "blah"                  # (optional)
+#@DISCOURSE_SMTP_OPENSSL_VERIFY_MODE = "none"       # (optional) none|peer|client_once|fail_if_no_peer_cert
+
+# Note that DISCOURSE_SMTP_ADDRESS should NOT BE ALLOWED to relay mail to
+# YOUR_EMAIL without authentication
+MAILFROM = @DISCOURSE_SMTP_USER_NAME || YOUR_EMAIL
+MAILTO = YOUR_EMAIL
+
+### You shouldn't need to change anything below here
+$delivery_options = {
+  user_name: @DISCOURSE_SMTP_USER_NAME || nil,
+  password:  @DISCOURSE_SMTP_PASSWORD  || nil,
+  address:   DISCOURSE_SMTP_ADDRESS,
+  port:      @DISCOURSE_SMTP_PORT      || nil,
+  openssl_verify_mode: @DISCOURSE_SMTP_OPENSSL_VERIFY_MODE || nil }
+
+class EmailTestMailer < ActionMailer::Base
+  def email_test(mailfrom, mailto)
+    mail(from: mailfrom,
+         to: mailto,
+         body: "Testing email settings",
+         subject: "Discourse email settings test",
+         delivery_method_options: $delivery_options)
+  end
+end
+
+message = EmailTestMailer.email_test(MAILFROM, MAILTO)
+
+begin
+  message.deliver()
+rescue SocketError => e
+  print "Delivery failed: "+e.message.strip()+"\n"
+  print " Is the server hostname correct?\n"
+rescue OpenSSL::SSL::SSLError => e
+  print "Delivery failed: "+e.message.strip()+"\n"
+  print " You probably need to change the ssl verify mode.\n"
+rescue Net::SMTPAuthenticationError => e
+  print "Delivery failed: "+e.message.strip()+"\n"
+  print " Check to ensure your username and password are correct.\n"
+rescue Net::SMTPFatalError => e
+  print "Delivery failed: "+e.message.strip()+"\n"
+  print " Check the above error and fix your settings.\n"
+else
+  print "Successfully delivered.\n"
+end